Ch 13: The Spinal Cord, Spinal Nerves, and Spinal Reflexes

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1

____________________ contains the brain and spinal cord and is the processing centers.

Central nervous system

2

_____________________ contains cranial nerves and spinal nerves and has the sensory input and motor response pathways.

Peripheral nervous system

3

_________________ are controlled by the spinal cord alone without input from the brain. Example touching something hot.

Spinal reflexes

4

The _________________ is housed within protective membranes (meninges) and vertebral column

spinal cord

5

_____________ carries sensory and motor information between brain and most other parts of body

Spinal cord

6

Areas of the spinal cord that supply the limbs have more gray matter and are visibly wider. The _____________________
supplies shoulder and upper limb.

cervical enlargement

7

Lumbosacral enlargement supplies _______________________.

pelvis and lower limb

8

Distal end of the spinal cord, the _____________ is tapered, conical end of cord below lumbar enlargement.

Conus medullaris

9

Distal end of the spinal cord, ______________ is the thin thread of fibrous tissue at end of conus medullaris.

Filum terminale

10

Distal end of the spinal cord, _______________ is the nerve roots extending below conus medullaris, and looks like a horse’s tail, hence the name.

Cauda equina

11

Filum terminale attaches to _______________________.

coccygeal ligament

12

Anterior root (ventral root) are axons of ________________.

motor neurons

13

Posterior root (dorsal root ) are axons of _________________.

sensory 
 neurons

14

Cervical plexus is __________________.

C1 through C5

15

lumbar plexus is _______________________.

T12 through L4

16

brachial plexus is ___________________.

C5 through T1